WO2020108217A1 - 一种阻燃hips材料及其制备方法 - Google Patents
一种阻燃hips材料及其制备方法 Download PDFInfo
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- WO2020108217A1 WO2020108217A1 PCT/CN2019/114369 CN2019114369W WO2020108217A1 WO 2020108217 A1 WO2020108217 A1 WO 2020108217A1 CN 2019114369 W CN2019114369 W CN 2019114369W WO 2020108217 A1 WO2020108217 A1 WO 2020108217A1
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- C08K5/00—Use of organic ingredients
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- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
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- B29B11/00—Making preforms
- B29B11/06—Making preforms by moulding the material
- B29B11/10—Extrusion moulding
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- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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- B29B9/12—Making granules characterised by structure or composition
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- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
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- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
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- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K3/2279—Oxides; Hydroxides of metals of antimony
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- C08K5/00—Use of organic ingredients
- C08K5/02—Halogenated hydrocarbons
- C08K5/03—Halogenated hydrocarbons aromatic, e.g. C6H5-CH2-Cl
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- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3477—Six-membered rings
- C08K5/3492—Triazines
- C08K5/34922—Melamine; Derivatives thereof
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- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/50—Phosphorus bound to carbon only
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- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/53—Phosphorus bound to oxygen bound to oxygen and to carbon only
- C08K5/5317—Phosphonic compounds, e.g. R—P(:O)(OR')2
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- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
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- C08K5/5477—Silicon-containing compounds containing nitrogen containing nitrogen in a heterocyclic ring
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/04—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to rubbers
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- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
- B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
- B29B7/488—Parts, e.g. casings, sealings; Accessories, e.g. flow controlling or throttling devices
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- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/72—Measuring, controlling or regulating
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- B29C2948/92819—Location or phase of control
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
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- B29K2009/00—Use of rubber derived from conjugated dienes, as moulding material
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- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
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- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
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- B29K2995/0016—Non-flammable or resistant to heat
Definitions
- the invention relates to the field of flame retardant polymer materials, in particular to a flame retardant HIPS material and a preparation method thereof.
- Flame retardant HIPS resins are widely used in audio-visual equipment housings, office equipment housings, household appliances, power conversion devices and other fields due to their good mechanical properties, processing properties and post-processing properties, good dimensional stability and low molding shrinkage.
- halogen flame retardant HIPS There are two current flame retardant HIPS technologies, one is a halogen flame retardant system, and the other is a halogen free flame retardant system.
- the halogen free flame retardant system is more environmentally friendly, less corrosive to the mold, and has less gas. However, it has high material cost and processing energy consumption, which limits the widespread use and promotion in the market; the general halogenated flame retardant HIPS material contains HIPS resin halogen flame retardant, antimony oxide or salt, anti-dripping agent , As well as antioxidants and other necessary processing aids, can produce products with relatively balanced rigidity, fluidity and toughness.
- the object of the present invention is to provide a low halogen flame retardant HIPS material with stable flame retardancy and excellent appearance.
- a flame retardant HIPS material based on parts by weight, including the following components:
- the auxiliary flame retardant is 1,3,5-triazine compound.
- the 1,3,5-triazine compound is a chemical substance or derivative having the following structure:
- R 1 , R 2 , and R 3 are the same and independently represent -P(C 6 H 5 ) 2 , -P(CH 3 ) 2 , -PH 2 O 4 , -PH 2 O 2 , -SiH 3 , --SiCl 3 , -SiOH 2 , SiHCl 2 , -SiHO 3 , -((CH 3 ) 5 Si)2O, -NHR, -NR 2 , -NCH, -NO 3 , -NH 2 , -NCO, -N (CH 3 ) or -N 2 Cl.
- the HIPS resin is a butadiene-styrene graft copolymer. Based on the total weight of the entire HIPS resin, the rubber content is 7 to 11% by weight, the melt flow rate is 200 to 5°C, and the load is 5 to 15 g/kg. min.
- the bromine-based flame retardant is one of decabromodiphenylethane, brominated epoxy, tetrabromobisphenol A, tris(tribromophenoxy)triazine, octabromoether or imine bromide or Several mixtures.
- the flame retardant HIPS material according to the present invention in terms of parts by weight, also includes antimony-based flame retardant synergist 1-7 parts, anti-dripping agent 0.01-2 parts, and processing aid 0-2 Copies.
- the antimony flame retardant synergist is one or more of antimony trioxide, antimony pentoxide, sodium antimonate or antimony phosphite;
- the anti-dripping agent is perfluoropolyolefin or styrene- Acrylonitrile-coated perfluoropolyolefin;
- the processing aid is one or more of antioxidants, lubricants, or anti-photothermal oxidants.
- the antioxidant is a compound of a hindered phenolic primary antioxidant and a phosphite secondary antioxidant
- the anti-photothermal oxidant is one or a mixture of alkylated hindered polyphenols, hindered monophenols, amines, phosphites or hydroxybenzotriazole;
- the lubricant is one or a mixture of aliphatic amide, fatty acid or salt thereof, white mineral oil, silicone oil or silicone.
- the weight content of phosphorus element is 30 ppm-3000 ppm, and the weight content of nitrogen element is 500 ppm-50,000 ppm.
- the test method for the weight content of the phosphorus element is as follows: 0.4g-0.6g of the sample particles to be tested are placed in a round-bottom flask, 10ml of concentrated H 2 SO 4 and 5ml of H 2 O 2 are added , and placed on an electric heating plate at 480°C It takes 35min-45min to digest until it is completely carbonized; after the carbonization is completed, it is cooled for 5min, and then the appropriate amount of H 2 O 2 is added to determine whether it is completely carbonized.
- the test method for the weight content of the nitrogen element is: using Kjeldahl's nitrogen determination method, add a proper concentration of protein solution 1.0mL to the flask, add the analysis sample to the bottom of the flask, and then sequentially add potassium sulfate-copper sulfate 0.3g, concentrated sulfuric acid 2.0mL, 30% hydrogen peroxide 1.0Ml, heat and boil until the material in the flask is carbonized and blackened, distillation absorption of inorganic nitrogen standard sample, distillation absorption of the test sample and blank sample, after the sample is processed, use acid trace
- the burette is titrated with a standard hydrochloric acid solution of 0.0100mol/L, and the number of milliliters of standard hydrochloric acid solution consumed for each titration is recorded. Finally, the nitrogen element content of the sample to be measured is calculated, and the value is rounded to the tenth digit.
- the invention also provides a preparation method of the above-mentioned flame-retardant HIPS material, including the following steps:
- the present invention has the following beneficial effects:
- the present invention effectively reduces the amount of brominated flame retardants and the flame retardant cost through the coordinated compounding of brominated flame retardants and auxiliary flame retardants, and can achieve Stable UL 94 (1.5mm) V-0 flame retardant rating;
- the flame retardant HIPS material provided by the present invention has a low halogen content, low gas gas, high cost performance, and avoids the formation of gas lines on the surface of the product by too much acid gas , With good appearance, can be widely used in the field of thin-walled parts, such as office equipment, film and television multimedia, household appliances, etc.
- the raw materials used in the present invention are as follows: all are commercially available raw materials.
- HIPS resin PS 350K, Taiwan Guoheng Company, its rubber content is 7 ⁇ 11wt%, melt flow rate is 200°C, 5 ⁇ 15g/min under 5Kg load condition;
- Auxiliary flame retardant 1 R1, R2 and R3 are the same phosphoalkyl group (-P(CH 3 ) 2 ) or phosphate group (-PH 2 O 4 ); auxiliary flame retardant 2: R1, R2 and R3 are the same Silane group (-SiH3) or amine group (-NH2);
- Flame retardant synergist antimony trioxide, Yiyang Yincheng mineral.
- Anti-dripping agent 5935EF, American 3M Company.
- the auxiliary flame retardant and different types of brominated flame retardants can achieve the V-0 flame retardant effect.
- the two have a synergistic compounding effect, which is effective
- the amount of brominated flame retardants is reduced, and the flame retardant cost is reduced.
- the material can not only achieve a stable UL94 (1.5mm) V-0 flame retardant grade, but also avoid excessive acid gas on the surface of the parts It forms air lines and has a good appearance.
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Abstract
Description
检测项目 | 单位 | 执行标准 |
阻燃性能 | Class | UL 94 |
Claims (11)
- 根据权利要求1所述的阻燃HIPS材料,其特征在于,所述HIPS树脂为丁二烯-苯乙烯接枝共聚物,基于整个HIPS树脂的总重量,其橡胶含量为7~11wt%。
- 根据权利要求1所述的阻燃HIPS材料,其特征在于,所述HIPS树脂的熔体流动速率在200℃,5Kg载荷条件下为5~15g/min。
- 根据权利要求1所述的阻燃HIPS材料,其特征在于,所述溴系阻燃剂为十溴二苯乙烷、溴化环氧、四溴双酚A、三(三溴苯氧基)三嗪、八溴醚或溴化亚胺中的一种或几种混合物。
- 根据权利要求1所述的阻燃HIPS材料,其特征在于,按重量份数计,还包括锑系阻燃协效剂1-7份、抗滴落剂0.01-2份、加工助剂0-2份。
- 根据权利要求5所述的阻燃HIPS材料,其特征在于,所述锑系阻燃协效剂为三氧化二锑、五氧化二锑、锑酸钠或亚磷酸锑中的一种或几种;所述抗滴落剂为全氟聚烯烃或苯乙烯-丙烯腈包覆的全氟聚烯烃;所述加工助剂为抗氧剂、润滑剂或抗光热氧化剂中的一种或几种。
- 根据权利要求1-6任一项所述的阻燃HIPS材料,其特征在于,基于阻燃HIPS材料的总重量,磷元素的重量含量为30ppm-3000ppm。
- 根据权利要求1-6任一项所述的阻燃HIPS材料,其特征在于,基于阻燃HIPS材料的总重量,氮元素的重量含量为500ppm-50000ppm。
- 根据权利要求7所述的阻燃HIPS材料,其特征在于,所述磷元素的重量含量的测试方法为:取0.4g-0.6g待测样品粒子置于圆底烧瓶,加10ml浓H 2SO4和5mlH 2O 2,置于480℃的电热板进行消解直至完全碳化,需要35min-45min;碳化结束后进行冷却5min,然后加适量H 2O 2,判断是否完全碳化,未完全则继续加H 2O 2直至完全碳化,然后在100ml容量瓶中进行冷却定容,过滤,离心取上清液,然后进行电感耦合等离子体发射光谱测试ICP。
- 根据权利要求8所述的阻燃HIPS材料,其特征在于,所述氮元素的重量含量的测试方法为:采用凯氏定氮法,在烧瓶中加入适当浓度的蛋白溶液1.0mL,分析样品加到烧瓶底部,依次加入硫酸钾-硫酸铜0.3g,浓硫酸2.0mL,30%过氧化氢1.0Ml,微火加热煮沸至烧瓶内物质炭化变黑,无机氮标准样品的蒸馏吸收,待测样品和空白样品的蒸馏吸收,样品处理好之后,采用酸式微量滴定管以0.0100mol/L的标准盐酸溶液进行滴定,记录每次滴定耗用标准盐酸溶液毫升数,最后计算待测样品的氮元素含量。
- 权利要求1-10任一项所述的阻燃HIPS材料的制备方法,其特征在于,包括以下步骤:a,将各组份原料按配比在高速混合机充分混合3-6分钟,得到混合物;b,将上述混合物经过精密计量的送料装置输送到双螺杆挤出机中,挤出机螺杆各段温度控制在170~220℃之间,双螺杆挤出机的长径比为30~35,螺杆转速为300-800转/分钟,在螺杆的剪切,混合,输送下,物料得以充分熔化,混合,然后经过挤出,造粒,干燥得到阻燃HIPS粒子;c,将阻燃HIPS粒子加入到注塑机成型到所需测试的样条,注塑条件为料筒温度185-220℃,注塑压力为40-60MPa,速度为40-70cm 3/s。
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JP2021521794A JP7307792B2 (ja) | 2018-11-30 | 2019-10-30 | 難燃性hips材料及びその製造方法 |
US17/286,494 US11926725B2 (en) | 2018-11-30 | 2019-10-30 | Flame-retardant HIPS material and preparation method thereof |
EP19889493.3A EP3862395B1 (en) | 2018-11-30 | 2019-10-30 | Flame-retardant hips material and preparation method thereof |
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CN112898713B (zh) * | 2021-02-05 | 2022-05-03 | 深圳市富恒新材料股份有限公司 | 一种低成本阻燃hips材料的制备方法 |
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